difficultness

常见例句

It must be difficult to play various personae in the same movie.
在同一个电影中扮演不同的角色肯定不容易。
Navigation is difficult on this river because of the hidden rocks.
因为河上有暗礁，所以在这条河上航行很困难。
It was difficult to tell his exact age.
很难判断他到底多大岁数。
It is difficult to express it in terms of science.
要用科学的字眼来表达它是很困难的。
It was difficult to gauge how people would respond.
大家的反应如何难以估计。
She handled a difficult argument skilfully.
她巧妙地应付了一场艰难的辩论。